Columbia Encyclopedia

Search results

500 results found

North Canadian

(Encyclopedia)North Canadian, river, 760 mi (1,223 km) long, rising in NE N.Mex., and flowing SE through Okla. to join the Canadian River in the Eufaula reservoir, E Okla. Federal dams and reservoirs on the river a...

Green River

(Encyclopedia)Green River. 1 River, 370 mi (595 km) long, rising in central Ky. and flowing generally NW, through Mammoth Cave National Park, to the Ohio River near Evansville, Ind. Locks and dams make the Green Ri...

Sacramento, river, United States

(Encyclopedia)Sacramento, longest river of Calif., c.380 mi (610 km) long, rising near Mt. Shasta, N Calif., and flowing generally SW to Suisun Bay, an arm of San Francisco Bay, where it forms a large delta with th...

Northrop, John Knudson

(Encyclopedia)Northrop, John Knudson, 1895–1981, American aviation pioneer, inventor, and executive, b. Newark, N.J. He worked for the Loughead Aircraft Manufacturing Co. (1916–20) as a draftsman, designing sea...

Dyson, Freeman John

(Encyclopedia)Dyson, Freeman John dīˈsən [key], 1923–2020, British-American theoretical physicist and mathematician, studied Trinity College, Cambridge (B.A., 1945) and Cornell. He did bomber operations resear...

Moses Lake

(Encyclopedia)Moses Lake, city (1990 pop. 11,235), Grant co., central Wash., on Moses Lake; settled 1897, inc. 1938. A distribution and shipping point for the Columbia basin project, it produces are sugar, potatoes...

Garrison Dam

(Encyclopedia)Garrison Dam, c.11,300 ft (3,400 m) long and 210 ft (64 m) high, on the Missouri River, near Riverdale, W central N.Dak.; one of the world's largest earth-filled dams used for irrigation power. Built ...

Boise, river, United States

(Encyclopedia)Boise, river, c.160 mi (260 km) long, rising in SW Idaho and flowing west to join the Snake River at the Oregon line. In 1811 the Boise River, originally called Reed's River, was explored by an expedi...

Mohammadi, Narges

(Encyclopedia)Narges Mohammadi, 1972– , b. Zanjan, Iran, Iranian human rights activist and author, studied at Imam Khomeini International University, also known as ...

Brunhes, Jean

(Encyclopedia)Brunhes, Jean brün [key], 1869–1932, French geographer. He was a leading exponent of French systematic, as opposed to regional, geography. He studied human artifacts in the context of environment. ...